feat(attr.cert): certainty possible for more elements

Resolve "Kursivierung/Fett/Hochgestellt"

Closes #10

See merge request !16

Resolve "Lizenzangaben"

Closes #13

See merge request !12

Resolve "Make primary color green (like on website)"

Closes #21

See merge request !13

Resolve "Make notetext nicer"

Closes #20

See merge request !11

Resolve "corr 6: paddings"

Closes #19

See merge request !10

Resolve "corr 11: uncertainty"

Closes #18

See merge request !9

Resolve "corr 5: tooltip"

Closes #17

See merge request !8

Resolve "corr: 7 Übersetzung"

Closes #16

See merge request !7

Resolve "corr: 4 Kolon..."

Closes #15

See merge request !6

Resolve "Correct: 2: Kol I..."

Closes #14

See merge request !5

Merge branch '6-correct-9-kann-man-die-striche-vor-und-nach-der-zeilenzahl-loschen-und-die-zahl-dafur-hochstellen' into 'master'

Resolve "Correct "9: Kann man die Striche vor und nach der Zeilenzahl löschen und die Zahl dafür hochstellen?""

Closes #6

See merge request !4

Resolve "Correct "10: Die Zeilenzahlen stechen jetzt sehr ins Auge""

Closes #5

See merge request !3

Resolve "Correct "1: Falsche Klammern""

Closes #4

See merge request !2

Resolve "philologische Kommentar im Autor-Modus"

Closes #2

See merge request usikora/eupt-xml!1